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Finding the Fourth Proportional to 143,796.46, 215,619.15 and 63,799.77

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Solution

The fourth proportional to 143,796.46, 215,619.15 and 63,799.77 is: 95,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,796.46 : 215,619.15 = 63,799.77 : x
  2. Step 2: Convert to fraction form
    143,796.46/215,619.15 = 63,799.77/x
  3. Step 3: Cross multiply
    143,796.46x = 215,619.15 × 63,799.77
  4. Step 4: Simplify right side
    143,796.46x = 13,756,451,858.60
  5. Step 5: Solve for x
    x = 13,756,451,858.60/143,796.46
  6. Step 6: Final answer
    x = 95,666.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.